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<?php |
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namespace Anax\Log; |
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/** |
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* Anax default logger instance |
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* |
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* The message MUST be a string or object implementing __toString(). |
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* |
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* The message MAY contain placeholders in the form: {foo} where foo |
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* will be replaced by the context data in key "foo". |
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* |
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* The context array can contain arbitrary data, the only assumption that |
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* can be made by implementors is that if an Exception instance is given |
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* to produce a stack trace, it MUST be in a key named "exception". |
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* |
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* See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md |
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* for the full interface specification. |
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*/ |
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class CLogger |
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{ |
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/** |
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* Constans for loglevel. |
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* |
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*/ |
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const EMERGENCY = 'emergency'; |
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const ALERT = 'alert'; |
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const CRITICAL = 'critical'; |
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const ERROR = 'error'; |
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const WARNING = 'warning'; |
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const NOTICE = 'notice'; |
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const INFO = 'info'; |
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const DEBUG = 'debug'; |
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/** |
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* Constans for loglevel. |
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* |
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*/ |
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private $context = 'development'; // production, development or debug |
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/** |
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* Init the logger depending on its context production, development or debug. |
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* |
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* @param string $context as production, development or debug, default is development |
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* @return $this |
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*/ |
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public function setContext($context = 'development') { |
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switch($context) { |
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case 'production': |
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break; |
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case 'development': |
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error_reporting(-1); // Report all type of errors |
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ini_set('display_errors', 1); // Display all errors |
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ini_set('output_buffering', 0); // Do not buffer output |
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set_exception_handler(function ($exception) { |
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echo "Anax: Uncaught exception: <p>" . |
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$exception->getMessage() . "</p><pre>" . |
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$exception->getTraceAsString() . "</pre>"; |
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}); |
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break; |
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case 'debug': |
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break; |
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default: |
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throw new Exception('Unknown context.'); |
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break; |
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} |
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$this->context = $context; |
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return $this; |
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} |
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/** |
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* Logs with an arbitrary level. |
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* |
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* @param mixed $level |
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* @param string $message |
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* @param array $context |
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* @return null |
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*/ |
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public function log($level, $message, array $context = array()) { |
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echo "Level: " . $level . "<br>" . "Message: " . $message . "<br>" . htmlentities(print_r($context, 1)) . "<br>"; |
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} |
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/** |
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* System is unusable. |
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* |
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* @param string $message |
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* @param array $context |
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* @return null |
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*/ |
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public function emergency($message, array $context = array()) { |
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$this->log(self::EMERGENCY, $message, $context); |
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} |
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/** |
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* Action must be taken immediately. |
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* |
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* Example: Entire website down, database unavailable, etc. This should |
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* trigger the SMS alerts and wake you up. |
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* |
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* @param string $message |
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* @param array $context |
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* @return null |
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*/ |
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public function alert($message, array $context = array()) { |
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$this->log(self::ALERT, $message, $context); |
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} |
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/** |
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* Critical conditions. |
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* |
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* Example: Application component unavailable, unexpected exception. |
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* |
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* @param string $message |
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* @param array $context |
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* @return null |
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*/ |
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public function critical($message, array $context = array()) { |
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$this->log(self::CRITICAL, $message, $context); |
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} |
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/** |
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* Runtime errors that do not require immediate action but should typically |
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* be logged and monitored. |
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* |
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* @param string $message |
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* @param array $context |
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* @return null |
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*/ |
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public function error($message, array $context = array()) { |
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$this->log(self::ERROR, $message, $context); |
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} |
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/** |
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* Exceptional occurrences that are not errors. |
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* |
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* Example: Use of deprecated APIs, poor use of an API, undesirable things |
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* that are not necessarily wrong. |
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* |
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* @param string $message |
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* @param array $context |
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* @return null |
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*/ |
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public function warning($message, array $context = array()) { |
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$this->log(self::WARNING, $message, $context); |
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} |
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/** |
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* Normal but significant events. |
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* |
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* @param string $message |
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* @param array $context |
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* @return null |
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*/ |
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public function notice($message, array $context = array()) { |
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$this->log(self::NOTICE, $message, $context); |
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} |
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/** |
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* Interesting events. |
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* |
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* Example: User logs in, SQL logs. |
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* |
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* @param string $message |
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* @param array $context |
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* @return null |
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*/ |
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public function info($message, array $context = array()) { |
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$this->log(self::INFO, $message, $context); |
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} |
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/** |
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* Detailed debug information. |
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* |
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* @param string $message |
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* @param array $context |
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* @return null |
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*/ |
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public function debug($message, array $context = array()) { |
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$this->log(self::DEBUG, $message, $context); |
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} |
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} |
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According to the PSR-2, the body of a case statement must start on the line immediately following the case statement.
}
To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.